Sealing Gasket for Pipelines Asbestos Free Seal Fiber Gasket Rubber Sheet. Chemical Resistance: Resistant to oil, water, and general acids and alkalis with low thickening rates. Customization Available: Supports customization from samples and designs with flexible size and color options. ISO 9001 Certified: Manufacturing process strictly follows ISO 9001 quality control standards. Fast Sample Delivery: Regular samples delivered in 3-5 days; custom samples in 7-10 days. Full Factory Support: Direct manufacturer with own technical team, 86 employees, and 2000-ton capacity.